Jamesonite from
Herja Mine, Chiuzbaia (Kisbánya), Baia Mare (Nagybánya), Maramureș Co., Romania

Herja Mine, Chiuzbaia (Kisbánya), Baia Mare (Nagybánya), Maramureș Co., Romania
© Peter Haas

Description
Comments:	Herja jamesonite contains manganese. Not enough Mn (<1 wt.%) to make Benevidesite (>1 wt.%), but enough to affect the diffraction pattern. Marc Wilson at the Carnegie in Pittsburgh found the grey needles enclosed in calcite to be jamesonite.
Habit:	fine felted needles
Colour:	grey
UV Fluorescence:	none
Quality of samples:	Good crystals or rich for species - important (!)
Confirmation
Validity:	Believed Valid
References
References:	Cook N.J., Damian Gh., New data on "Plumosite" and Other Sulfosalt Minerals from the Herja Vein Deposit, Baia Mare Dist., Romania, Geologica Carphathica, (1997); Papp, Gábor, Alan J. Criddle, Chris J. Stanley, László Kriston and Géza Nagy (2007): Parajamesonite revisited: background of the discreditation of an enigmatic mineral species. Swiss Journal of Geosciences, 100, 495-502.
Data
Mineral Data:	Click here to view Jamesonite data
Locality Data:	Click here to view Herja Mine, Chiuzbaia (Kisbánya), Baia Mare (Nagybánya), Maramureș Co., Romania
Photo Gallery	View Gallery (18 photos)

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Current server date and time: 16th Feb 2012 10:03:17